AMETEK helps Ternium enhance steel inspection process

  • June 30, 2020
  • Case Study
AMETEK helps Ternium enhance steel inspection process
AMETEK helps Ternium enhance steel inspection process
July 1, 2020 – A steel manufacturer of products has reduced the frequency of damaging strip breakages thanks to a system provided by AMETEK Surface Vision, a provider of online surface inspection solutions.
With steel mills operating at high speed, a breakage in the strip can cause serious and costly damage to equipment.
Ternium S.A., a steel manufacturer in the Americas, wanted to find a way to minimize these breakages, safeguarding the mechanical integrity of the mill and ensuring maximum process continuity.
With 17 sites across Argentina, Brazil, Mexico, Guatemala, Colombia, and the United States, Ternium has plants covering the entire manufacturing process from iron ore extraction to the creation of high-value-added products.
Its plant in Monterrey, Mexico, operates a pickling line tandem cold mill with five stands, six high. The plant is focused mainly on producing automotive products with high-quality requirements.
AMETEK Surface Vision’s SmartView system was installed on the line to provide automated monitoring of surface quality issues on the coils passing through the mill, which has a rolling capacity of 6,000 tons a day.
The SmartView system combines software and hardware to deliver real-time detection and classification of material defects.

Uniting the company’s surface inspection and monitoring capabilities, synchronized high-resolution color camera technology is supported by LED lighting arrays for the high-quality image capture of defects using multiple inspection angles.
All hardware is non-proprietary, allowing AMETEK Surface Vision experts to select the best-fit technology for each application.
Additionally, AMETEK Surface Vision’s inspection and monitoring systems are completely modular, so they can be expanded or upgraded whenever needed to meet changing customer requirements.
The defects responsible for the strip breakages were correctly detected and classified by the SmartView system. However, since some steel defects are challenging by their nature, and could be misclassified or not classified at all, the defect classification task was critical for the results obtained.
Working in partnership, AMETEK Surface Vision and Ternium were able to find an effective solution that was able to better identify significant problems, protecting the mill and the process.
This involved the implementation of SmartView’s color-coded classification tool to identify defects on a gradient of severity, and the connection of the system to the plant’s PLC, which enabled automatic line speed reduction if a defect was detected.
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